ealderman
noun
eal·der·man
variants:
or ealdorman
archaic variant of alderman
1
: a person governing a kingdom, district, or shire as viceroy for an Anglo-Saxon king
2a
: a magistrate formerly ranking next below the mayor in an English or Irish city or borough
b
: a high-ranking member of a borough or county council in Ireland or formerly in England chosen by elected members
3
: a member of a city legislative body