PR only adjusts every 3 months or so.
How long have you been missing?
Gambling places in the US are not allowed to advertise with google. But that won’t get you knocked out of the SERPS as far as I know, unless perhaps you placed ads without approval.
If you have free hosting, I understand sometimes you can be affected by things the hosting company did wrong. You really need to get some hosting elsewhere, it’s not expensive.
Google has also been very busy handing out penalties lately, so if you do any grey area SEO you may want to clean shop asap.