Sexual harassment legislation is concerned with not just with the offender's intent but also the effects of the offender's behavior. laws also ban any behavior that

 laws also ban any behavior that: creates a hostile environment.

In sexual harassment area, hostile environment is an environment that caused some of from 'threat' or 'disturbance' that cross personal space.
Such as: A boss that cat-call one of his workers when she passed, a women that wear dress that reveal her private area in the office, etc