Anyone who provides information, ideas, opinions, or images which are broadcast, published, or in some other way spread with the intention of persuading people to believe certain data or issues: Propagandists are most active during wars when they spend a great deal of time trying to convince their citizens that the conflicts between nations are justified and that the enemies are wrong, evil, and deserve to be destroyed.

Even in peace times, propagandists are busy trying to promote pros and cons about justifying the increases in the costs of products or working conditions, higher taxes, advantages in buying new equipment, etc.

Referring to efforts of spreading certain ideas or beliefs: Some social websites produced by certain terrorist groups are full of blatant propagandist nonsense and dangers; however, there are those who want to join such organizations and become killers and cause other miseries in unsuspecting countries.