Retainer/rɪˈteɪnər/ Definition 1 of 4Pro Tip 1/3Historical Use Originally referred to servants in a royal or noble household. Medieval lords had many retainers who swore loyalty. Pro Tip 2/3Loyalty Implied Implies a relationship involving loyalty or long-term service. The king's retainer served him for decades. Pro Tip 3/3Not Just Servants Can include advisors or skilled personnel, not just domestic workers. The artist became a retainer for the wealthy patron.