It is unlawful for any person to intentionally or recklessly engage in acts which have a foreseeable potential for causing physical harm to any person for the purpose of initiation or admission into or affiliation with any chartered student, fraternal, or sororal chartered organization. Fraternity, sorority, or other organization for purposes of this section means those chartered fraternities, sororities, or other organizations operating in connection with a school, college, or university, but shall not include fraternal organizations with a minimum age limit of twenty-one that do not operate in connection with a school, college, or university. This section does not include customary athletic events or similar contests or competitions, or military training whether state, federal, or educational.