Vassal is a term used to describe a person in a feudal relationship of loyalty and service to a lord or monarch. The crossword solutions for this term include 'SERVANT' (7 letters), 'SUBJECT' (7 letters), 'SERF' (4 letters), 'liegeman' (8 letters), 'LIEGE' (5 letters), 'SLAVE' (5 letters), 'daimio' (6 letters), and 'homager' (7 letters). All of these words refer to people in a subordinate position to a higher authority, with varying degrees of loyalty and servitude.