A hit man, especially being in some organization.
An official person who carries out the capital punishment of a criminal.
A soldier in a small independent group, fighting against the government or regular forces by surprise raids.
Relating to, using, or typical of guerrilla warfare, or its principles of small independent or non-official perpetrators.
Relating to, using, or typical of guerrilla marketing.
Using unconventional, non-traditional, non-mainstream and often subversive practices to achieve something.