One possible answer could be a procrasintator - a person who always puts off what they need to do.
call them right.
An Anchor
No. "Something" means what it says, a "Thing". "Someone" means a person!
Someone who always keeps his promises could be called reliable, trustworthy or dependable.
Lucky.
it is something that a person says when they eat brocily
We say they repeated that word
He has something to hide.
An editor.
if it was something bad yea but if not maybe
Typically a turncoat if they are claiming allegiance or loyalty to you, and are then acting against you with another person.
If this only happen one time , don't be mad and close the conversation , but if it is all the time , report that person , if you know the person report him or her to the police department of you town..