= 133, in 32 well-acquainted work teams, yielding 555 relationship-specific ratings) tested our full model. It demonstrated that the association between relationship-specific humility and relationship-specific performance is mediated by relationship-specific psychological safety. We discuss how our findings advance humility research in the workplace by showing that a portion of humility expression is relationship-specific and stems from each employee's unique interaction with another specific person, and that such relationship-specific humility affects relationship-specific performance. (PsycInfo Database Record (c) 2023 APA, all rights reserved).