If you've read this far, I'm going to assume that the job offer you have in hand is from a job that you applied and interviewed for.
In short:
If you:
But, if you:
Some standard benefits for expatriate workers in Nigeria include: (this list isn't meant to be exhaustive.. I just want to give you an idea of what might be available, and what issues you should consider regarding each one. Many companies will let you refuse a benefit and will instead pay you the money they had budgeted for it... for example, you might refuse the company house and instead take the money and find your own house)
List of companies and people mentioned in scam emails
The following lists contain the names of companies and their "employees" that have been found in email job offer scams. If the letter you received is from one of these people, it's very likely a scam.
Note that some scam job offer letters purport to be from legitimate companies. I've tried not to list those here, but just because the company mentioned in the letter you've received isn't listed here doesn't make it a legitimate offer.
Company Names, Phone Numbers, and Emails
Individual Names, Phone Numbers, and Emails