Game concept

Contributor

The game also links it as Contributors, Contributor's, Contributors'.

From the game's encyclopedia

Contributors Rulers that committed to cover at least one Contribution of a Great Project, gaining various benefits in return.

For most Contributions any Subject in the Realm can become a Contributor.

The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.

Contributor is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Contributors Rulers that committed to cover at least one Contribution of a Great Project, gaining various benefits in return." The game also links it as Contributors, Contributor's and Contributors'. Patch 1.20.1.2, from game/common/game_concepts/tgp_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.

for a guide, post or blog

Source: game/common/game_concepts/tgp_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.