doer:
(plural: ‘doers‘)
a person who does things or a person who is active, and does things with energy and very well – not a dreamer, thinker or talker but a doer,

doers at work
Jeff is true doer doing anything good that’s within his reach, not just a talker who lectures about doing something good all the time but seldom does anything!
They say Martin Luther King Jr. was a doer, not a dreamer though in his famous speech he talked about his dream.
Thinkers and doers are two sides of a coin… one depends on the other in many ways.
(in Australian usage) a funny, odd person, and also an immoral and reckless person,

a doer (Australia)
Oliver was asked to leave the Sidney Mayor’s felicitation ceremony because he behaved like a doer with his silly and indecent behaviour.
evil doer:
a person who does some wrong or bad things, especially things that harm others;
a criminal,

an alleged evil doer being stoned to death
When he talked about the mismanagement the Church clergy were involved in, Oliver was called an evil doer, a person possessed by the Satan, and his membership of the organising committee was cancelled.
In some Muslim societies evil doers, especially those women who are accused of sexual affairs, are stoned to death in public!
Every religious book mentions of doers of good deeds suffer in this world and evil doers enjoy in this world but suffer in hell after death!!
