usedAsMercenaries

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: usedAsMercenaries

Indicates that certain entities are employed or deployed to fight or perform military actions on behalf of another party, typically in exchange for payment rather than loyalty.