No one can say without getting a lot more facts from you, particularly your individual state of health. There may be other ways to accomplish your...

Start the eviction process on him. Nine times out of ten, once the process is started, the individual understands its serious and voluntarily...

See this link that lays out the procedure fairly well under the APA: https://sgp.fas.org/crs/misc/R46190.pdf

You should open an estate for him through the local probate court.

If its a joint account, then its your money you withdrew. Pay no attention to him and proceed with the divorce immediately.

Contact he bank and the police as well.

Simple answer--yes. An "apportionment" (that's what VA calls it) can be entered against VA compensation upon showing a valid support order.

A temporary guardianship can provide for you to live with your grandmother if your mother and grandmother are supportive of the action.

It reeks of being an on-line scam. Don't fall for it or similar requests.

File for temporary guardianship in probate court.