Look, if someone wont hire you just cuz you have a lisp or can’t say ____ “
Moshe Rabbeinu had that problem, too, and look what HE became! I feel sad for the pain I can read in your post, and am so sorry you are suffering. Refuah shelaima b’korov. Can you try a clinic, to find a speech therapist? Hopefully with time BE”H, you will be 100% again.