Noun + ともあろう + Noun + が

[Someone of the stature of... (yet doing something unbecoming)]

Connection: Noun + ともあろう + Noun + が

Usage: Expresses surprise or criticism that someone of high status, ability, or reputation would do something unexpected or unbecoming. Carries a tone of reproach or disbelief.

Examples:

教師ともあろう者が、学生の前で嘘をつくとは。(For someone who is a teacher to lie in front of students...)

大企業ともあろう会社が、こんな不正を行うとは信じられない。(It's unbelievable that a company of the stature of a major corporation would commit such fraud.)

医者ともあろう人が、健康管理を怠るとは情けない。(It's pathetic that someone who is a doctor would neglect their health management.)