6-year-old autistic daughter afraid of male teachers/stranger male

She sounds extra-sensory! There could be a few issues here. Children are far more intelligent than we give them credit for (I'm not sure if you recall being small). And autistic ones can pick up social systems/exchanges/nuances while lacking the ability to identify exactly what they may be perceiving, yet just having some emotion regarding it. Autistic children might also be collecting and connecting information from the news, internet, from interactions - incredibly subtle things you might not even notice or might take for granted that you easily understand. However, when these kids collect the information, it's conscious and since they might lack the social codes regarding how to make sense of it, it's daunting. These kids will need Hard Ethics while growing up. Some wise counsel to work out how to create boundaries while engaging with someone. 

Society has a way of creating civilised individuals who might not otherwise behave. Social norms include not being reliable or not exhibiting trust-worthy behaviour, such as saying a thing at random and not really meaning it. There are all kinds of unsafe behaviours which are readily normalised for whatever reason: white lies, ulterior motives, hierarchal manipulations. Autistic kids will perceive the 'motive' behind the words but lack the ability to identify it. We tend to see the raw material, the internal mechanism, the structures and for children this can be too much. Men are identified far more often than women in the media and on the news for anti-social behaviour. Males can simply operate different than females. She may easily see adults in their power/control modes but not understand the limits and nuances that keep things levelled.  

There's another part to this in that NT responses tell us that our messages are getting lost. That we are not being perceived correctly, or being misunderstood. 

When I was young I didn't trust males, unless they were similar to my father. Although my father had a friend who beat his wife. I didn't find this out until I was older, but I remember he wasn't one I trusted. Same with my uncle - my mothers brother. He was rather aggressive and overbearing. 

By 7, young girls have already received a hard piece of information. That males are much stronger and sometimes reckless with their bullishness than females. So, if the male isn't directly thought-full of her, he could be a threat. It can't hurt to see if there is an all girls school she might attend. And it will be keenly important for her to learn how to identify what characterises abuse or oppression, what characterises reckless but non threatening behaviour, what characterises elements of trust and who not to expect much from. This can be easily learned with a psychologist or even sometimes with a trusted local (female) C of E leader - someone who values scientific reasoning and psychology. Sometimes both can work together. 

She sounds extra-sensory! There could be a few issues here. Children are far more intelligent than we give them credit for (I'm not sure if you recall being small). And autistic ones can pick up social systems/exchanges/nuances while lacking the ability to identify exactly what they may be perceiving, yet just having some emotion regarding it. Autistic children might also be collecting and connecting information from the news, internet, from interactions - incredibly subtle things you might not even notice or might take for granted that you easily understand. However, when these kids collect the information, it's conscious and since they might lack the social codes regarding how to make sense of it, it's daunting. These kids will need Hard Ethics while growing up. Some wise counsel to work out how to create boundaries while engaging with someone. 

Society has a way of creating civilised individuals who might not otherwise behave. Social norms include not being reliable or not exhibiting trust-worthy behaviour, such as saying a thing at random and not really meaning it. There are all kinds of unsafe behaviours which are readily normalised for whatever reason: white lies, ulterior motives, hierarchal manipulations. Autistic kids will perceive the 'motive' behind the words but lack the ability to identify it. We tend to see the raw material, the internal mechanism, the structures and for children this can be too much. Men are identified far more often than women in the media and on the news for anti-social behaviour. Males can simply operate different than females. She may easily see adults in their power/control modes but not understand the limits and nuances that keep things levelled.  

There's another part to this in that NT responses tell us that our messages are getting lost. That we are not being perceived correctly, or being misunderstood. 

When I was young I didn't trust males, unless they were similar to my father. Although my father had a friend who beat his wife. I didn't find this out until I was older, but I remember he wasn't one I trusted. Same with my uncle - my mothers brother. He was rather aggressive and overbearing. 

By 7, young girls have already received a hard piece of information. That males are much stronger and sometimes reckless with their bullishness than females. So, if the male isn't directly thought-full of her, he could be a threat. It can't hurt to see if there is an all girls school she might attend. And it will be keenly important for her to learn how to identify what characterises abuse or oppression, what characterises reckless but non threatening behaviour, what characterises elements of trust and who not to expect much from. This can be easily learned with a psychologist or even sometimes with a trusted local (female) C of E leader - someone who values scientific reasoning and psychology. Sometimes both can work together.