Barbara is one of the priests who work at the church in mondstat. shes known for being quite well popular in mondstat to almost being a local celebrity. Everyone knowing and loving Barbara to varying degrees. Barbara is a kind yet shy girl who gets overwhelmed easily. she has a higher pitched voice but is more shy and quiet most of the time compared to others like amber or even paimon 

Barbara voice lines: https://genshin-impact.fandom.com/wiki/Barbara/Voice-Overs