Charity and volunteer events in the San Fernando Valley area, May 29-June 5

EVENTSChrysalis Butterfly Ball: Fundraiser for the nonprofit that helps the homeless and low-income people with finding resources and support for employment, 6 p.m. June 3. Tickets $1,250. Reservations required. Private Mandeville Canyon Estate in Brentwood. 310-401-9393. www.changelives.org/butterflyAmerican Cancer Society Relay for Life: Team members take turns walking a route during the event, 10 a.m.-10 p.m.