esquire

n. 先生, 绅士

es.quire

n.（名词）
A male belonging to the gentry in England and ranking directly below a knight.
绅士：士族地位次于骑士的或在中上阶层有一定社会地位的男士
Esquire Abbr. Esq.Used as an honorific usually in its abbreviated form, especially after the name of an attorney or a consular officer:
Esquire 缩写 Esq.…先生：经常使用其简写形式Esq.表示尊重，特别用在辩护律师或领事馆官员的名字后面：
例句：
Jane Doe, Esq.; John Doe, Esq.
简·多伊；约翰·都伊

In medieval times, a candidate for knighthood who served a knight as an attendant and a shield bearer.
骑士随从：中世纪时的候补骑士，骑士随从，持盾侍从
Archaic An English country gentleman; a squire.
【古语】 英国乡绅；地主

来源：
Middle English esquier
中古英语 esquier
from Old French escuier
源自 古法语 escuier
from Late Latin scôt3rius [shield bearer]
源自 后期拉丁语 scôt3rius [持盾侍从]
from Latin scôtum [shield] * see skei-
源自 拉丁语 scôtum [盾，盾状物] *参见 skei-