The term "bringing on board" typically refers to the act of adding someone or something to a team, organization, or project. Its antonyms include "letting go," "removing," and "rejecting." Letting go suggests a voluntary departure, such as a resignation, termination, or retirement. Removing implies a forced departure or expulsion, such as firing or expulsion from a group. Rejecting means declining to accept or consider someone or something. These antonyms may be appropriate in different contexts, such as business, politics, or personal relationships, where decisions about recruitment, retention, or dismissal can have important consequences for individuals and organizations.