Empowerernoun
One who, or that which, empowers.
Enablernoun
One who helps something to happen.
Enablernoun
One who encourages a bad habit in another (typically drug addiction) by their behaviour.
Enablernoun
One who gives someone else the power to behave in a certain way.
Enablernoun
a person or thing that makes something possible
Enablernoun
a person who encourages or enables negative or self-destructive behaviour in another