Chrestus (noun M) :
* A mutilated form for Christus, Lact. 4, 7, 5; hence, Chrestiani, instead of Christiani, was used by many; cf. Tert. Apol. 3 fin.
* A Jew at Rome under the emperor Claudius, Suet. Claud. 15; v. the commentt. in h. l.
* A slave or freedman of Cicero, Cic. Fam. 2, 8, 1.

Male Personal name
Confirmed occurences in the Roman Empire:

• C. Cassius Chrestus (Masc), ref: SEG 28, 1032 | PIR ID3713
• Chrestus (Masc), ref: PIR C 0722 | PIR ID3976
• Chrestus (Masc), ref: Philostr. vitae soph. 2, 11 | PIR ID3977
• Claudius Chrestus (Masc), ref: PIR C 0833 | PIR ID4239
• Geminius Chrestus (Masc, eques), ref: PIR G 0144 | PIR ID6656

s. TLL