Well your wallet is where you keep your coin safe and it always important to protect it
One of the best way is to protect your private key never give it out to any one even if it's your mentor that is very important
This is for new guys like me
First rule in cryptocurrency: never give out your private keys, Passphrase or mnemonics to anyone. This is sang like a nursery rhyme every day in cryptocurency yet people still fall victim of such scam