socius
socius 〈拉〉(罗马法)合伙人;同伴;盟友;(政治)同盟
socius (soh-shee-[schwa]s), n. [Latin] Roman law. 1. A partner. 2. An accomplice; an accessory. 3. A political ally. Pl. socii (soh-shee-I).
socius criminis (soh-shee-[schwa]s krim-[schwa]-nis). An associate in crime; an accomplice.