"Engage in an equine activity", riding, training, assisting in veterinary treatment of, driving, or being a passenger upon an equine, whether mounted or unmounted, visiting or touring or utilizing an equine facility as part of an organized event or activity, or assisting a participant or show management. The term "engage in an equine activity" shall not include being a spectator at an equine activity, except in cases where the spectator places himself in an unauthorized area or in immediate proximity to the equine activity.
"Equine", a horse, pony, mule, or donkey.
"Equine activity"
"Equine activity sponsor", an individual, group, club, partnership, or corporation, whether or not the sponsor is operating for profit or nonprofit, which sponsors, organizes, or provides the facilities for, an equine activity, including but not limited to: pony clubs, 4-H clubs, hunt clubs, riding clubs, school and college-sponsored classes, programs and activities, therapeutic riding programs, stable and farm owners and operators, instructors, and promoters of equine facilities, including but not limited to farms, stables, clubhouses, pony ride strings, fairs, and arenas at which the activity is held.
"Equine professional", a person engaged for compensation:
"Inherent risks of equine activities", dangers or conditions which are an integral part of equine activities, including but not limited to:
"Participant", any person, whether amateur or professional, who engages in an equine activity, whether or not a fee is paid to participate in such equine activity.
Nothing in subsection (b) shall prevent or limit the liability of an equine activity sponsor, an equine professional, or any other person if the equine activity sponsor, equine professional, or person:
Under Massachusetts law, an equine professional is not liable for an injury to, or the death of, a participant in equine activities resulting from the inherent risks of equine activities, pursuant to section 2D of chapter 128 of the General Laws.
Mass. Gen. Laws ch. 128, § 2D