Who is Chelsea Abrams from Salem Falls and what is their importance?

Chelsea Abrams is friends with Gillian Duncan, Whitney O'Neill and Meg Saxton. She is involved in Wicca with her friends. She is present at their celebration for Beltane where Gillian claims to be raped by Jack St. Bride. She falls for Jordan's son, Thomas McAfee. During the trial, she sends Thomas the girl's Book of Shadows so Jordan can use it to help acquit Jack.