andrew caldwell , 21 , went viral in november after footage from a st. louis megachurch showed him screaming ` i do n't like mens no more '
he claimed to have been ` delivered ' , or cured of being gay .
caldwell had yogurt thrown at him at a froyo in delmar on wednesday .
he claims the employee recognized him and lashed out .
however the worker , stephanie diaz , said caldwell called her a ` dog '