Stutter caused by S.A

Stutter caused by S.A When im alone, my stuttering is basically at 0 When im with even my dad or mother, my stuttering comes back and its bad When im in public i dont think i can say 1 word For example when i see people ask for directions in the mall from someone else I get a big lump in my stomach, telling myself that I would never be able to ask someone for direu, or give directions EVER Idk if anyone else has this kind of social anxiety But please tell me what steps i need to take to beat this curse At this point ill do anything.