No. This sounds like a dating scam. There might be a departure tax, but it would only be about $20 US, in local currency. Don't wire money to anyone you don't know personally (as in face to face meeting) and trust 100%.
Contact your local USCIS office.
Someone with UK passport
Contact the Garda National Immigration Bureau about this matter. See the link below.
NO, it is illegal anywhere for someone else to use your passport
by scamming someone on the internet
No, but the government can.
ask Nigerian police.
my husband has locked me out of the marital home, he refuses to give me my passport. what shall i do.
Illegal immigration
When a passport application is filled out there is no countersigned needed by the government. You fill the form out, get a passport photo, and pay the filing fee.
Someone located in Nigeria. Probably is one of those Nigerian scammers
No. "May I see your passport, please?" is probably the best way to say it. "For" is not used with "request": you can request someone's passport, or you can request that someone show you his passport. And since requesting is already asking for something, it is redundant to use both "may I" and "request".