henchman:
(plural: ‘henchmen’; for the right pronunciation, please click here)

two henchmen of some royalty in the past
a faithful supporter, especially of a political leader, who obeys orders without question and may use force, such as beating up opposition party members, or dishonest methods, such as giving bribes or wrong or false information to others, etc.;
a member of a criminal gang;
(old usage) a trusted attendant (servant),

henchmen in a bloody fight
According to the original meaning, a henchman was a respectable and loyal servant who looked after the horses and served the royalty.
In action movies, we see a villain killing a henchman for failing a task, but never run out of loyal henchmen who are willing to die for him.
There are henchmen in every field — the so called loyal supporters of politicians, paid muscle-men of criminals, corrupt employees of businessmen, fanatic followers of religious leaders — doing what nasty things they are told to do by their masters.
Henchmen of the present day are a cursed breed of people who strive to make their masters rich and have a comfortable life but they themselves die a dog’s death either in bloody fights or in dingy prisons.

a villain (pointing his finger) with his henchmen behind him threatening innocent people
