as a newbie, i don't know where to buy bitcoin and trade it from, i hope you can help me 
There are many ways to be able to buy bitcoin, either through exchange or crypto purchase platform.
But in your country you don't have a local exchange that can use the bank, it's better to buy it through coinbase because you can go through the bank. Then after that start doing what you want to do with your bitcoin.
let's study here: https://www.bitcoin.com/guides