Complex sentence: Hilary was sent to work undercover at three charities in the Long Beach area, including Love in the Mirror and worked with Jonas in the homeless community and eventually presented him with a check for $15,000 to help propel his mission forward.
Split into simpler sentences: Hilary was sent to work undercover at three charities in the Long Beach area, including Love in the Mirror. Hilary watched Jonas work with the homeless community in the area and eventually presented him with a check for $15,000 to help propel his mission forward.