Yes they will suspend you if you only use the account for the offers. They won't suspend the account but they will send you a message saying you're not allowed to use offers anymore.
You don't have to spend much to stay onside though. My wife uses her account regularly but it's a quid here and there, and never had a problem.
Not for nothing, religious athletes seem to have that extra edge to their game.
Bollocks.
Tbf, Shola is extremely religious and he definitely had at least one extra edge to both of his feet and his head.