simpleservant,
Don't do it - unless, as you said, you simply want a public bath.

I have been in and out of Baptist churches my entire life and this is the first I've ever heard of rebaptism being "required" or even suggested! It makes me suspicious of the particular house of worship you attend.
“To join our private
‘club’ you have to undergo certain hazing rituals…”
“To join our private
‘cult’ you have to undergo certain hazing rituals…”
Christianity is not a private club, and certainly not a cult.