Bridesmaid

[Sarah]

A female friend who attends on a bride at her wedding.

[Couch Potatoe]

bridesmaid
noun
1.
a girl or woman, usually one of several, who accompanies a bride on her wedding day.her sister asked her to be chief bridesmaid
2.
informal
a person who never attains a desire or goal.

[Zipporah Schumaker]

1. A woman who is The [sister] I never got, a [best friend] in every way possible, an amazing lady who I want to share my special day standing next to me

[Renato]

A girl or woman, usually one of several, who accompanies a bride on her wedding day.