Answer:
I am a small paradise surrounded by dryness and heat.
First I may be your servant's name; then your desires I may proclaim; And when your mortal life is over hold all your wealth within my power.
Teenage girls are pros at creating me. Learn me in classes.
My first is in fish but no in snail. My second is in rabbit but not in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
I wear a red robe with staff in hand and a stone in my throat.
I am your mother's brother's only brother in law. Who am I?