secondary (n.)
deputy, agent, second-in-command
KJ V.ii.80[Lewis the Dauphin to Cardinal Pandulph, of peace] I am too high-born to be propertied, / To be a secondary at control [i.e. under someone else's control]
MM I.i.46[Duke to Angelo] Escalus, / Though first in question, is thy secondary
SHAKESPEARE'S WORDS © 2020 DAVID CRYSTAL & BEN CRYSTAL