USCIS does not consider assuming a spouse's name as name change. As far as name on passport is concerned, it is best to follow the country passport...

Without question, your address, yes. Marital status no.

Present USCIS TPS designated countries is not updated. It does not include Cameroon. You may check for listing that is current.

Yes, your employer may be able to find out you had been working multiple jobs.

You are not required to do anything. While your green card is processing you are authorized employment and stay in the US.

The date of I485 denial not the date of graduation. Out of status F-1s do not accrue unlawful presence.

I'm unable to see any immigration issue in your question. Thus, I have transferred you to the Banking law section. Good luck!

Failure to appear for biometrics leads to inability to schedule naturalization interview. USCIS will not hold your application indefinitely. At...

By paying a fine you admitted to guilt. I recommend a yes and submit all relevant documents Offense will come up again at naturalization! Offense...

There should be no problem. It is common in some foreign countries to start one's name with last (surname), and then first. At naturalization...