as a newbie, i don't know where to buy bitcoin and trade it from, i hope you can help me 
My suggestion, do more reading in this forum first. You do not know where to buy bitcoin and trade it only or you do not even know about how to trade as well?
There are many exchanges to buy bitcoin and you may refer to this page https://bitcoin.org/en/exchanges
I think it is better to start with local exchange first if it is available in your country. Then you may try global exchanges when you have learned and tried some trading activities.
It's no problem to trade in the local exchanges because he will try to make a profit for the first time before he can be able to trade in the global exchanges. He can learn the basics from the local exchanges first until he can understand how to search the right price and right moment to trade. Besides that, I think if he gets the profit, he can try to withdraw his profit directly to his bank account or send the balance to local sellers that I am sure it's available too.