bastion
n.a strong place that protects something important, like a belief or a tradition. You use it to describe something that stands firm against change or attack.
n.a stronghold or defensive position; figuratively, a person or institution that vigorously defends a particular principle or tradition.
“The library is a bastion of local history.”
“The university remains a bastion of academic freedom despite recent political pressure.”
“In an era of rapid digital transformation, the old publishing house stood as a bastion of traditional literary values.”
“Season one of this feelgood and impeccably performed US Office-universe comedy saw ambitious editor Ned (Domhnall Gleeson again) take the Toledo Truth Teller from depressing clickbait factory to award-winning bastion of actual journalism.”
First attested in 1562. From French bastion, from Old French bastille (“fortress”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.