ETYM Old Eng. acuser, accusour; cf. Old Fren. acuseor, from Latin accusator, from accusare.
Someone who imputes guilt or blame; SYN. claimant.

1. A custodian who is hired to take care of something (property or a person).
2. An official who performs the duties of an office temporarily.

1. One that charges: as an appliance for holding or inserting a charge of powder or shot in a gun; a cartridge clip; a device for charging storage batteries
2. A horse for battle or parade
3. Formerly a strong horse ridden into battle.

Informer.

1. The plaintiff in a real action
2. One who makes a demand or claim

One praying humbly for something:; SYN. suppliant, supplicant.

ETYM Cf. Latin prosecutor an attendant.
A lawyer who conducts criminal prosecutions on behalf of the state; SYN. prosecuting officer, prosecuting attorney.