Esq.
abbreviation- (old-fashioned, especially British English) Esquire(a polite title written after a man’s name, especially on an official letter addressed to him. If Esq. is used, Mr. is not then used)
先生(写信时用于男子名后的尊称。如果用了 Esq.,便不再用 Mr.) - (North American English)
used as a title after the name of a male or female lawyer (对男、女律师的称谓)…律师
Word Originlate Middle English: from Old French esquier, from Latin scutarius ‘shield-bearer’, from scutum ‘shield’; compare with squire. Sense (2) was the original denotation, sense (1) being at first a courtesy title given to such a person.