敬虔 is read as けいけん (keiken) and means pious.
けいけん
keiken
けいけんしゅぎ
Pietism
ふけいけん
impiety
けいい
respect
けいえん
giving (the batter) an "intentional walk"
けいろう
respect for the aged
けいご
honorific
けいしょう
title of honour
けいぐ
yours sincerely
うやまう
to show respect for
けいあい
respect and affection
けいふく
great admiration
けいれい
salute