Server Help wanted, now with better description ;D

Hey, I’m searching a guy who can Help me with my Server ;D I tried to do it by my self but I can’t. If someone can help me.

I Want help in things like an Spawn Protection (Players can use Blocks and can’t break blocks)
A full worked Rank System (Example normal User, better User, Power User and Adminm)
A full configured Lock System for the Cheast etc
A full worked pay system for people (ingame Cash for player shops etc)
Maybe a sign with the Possible to buy more Blocks for claiming