the former (i.e. the one mentioned first)
1.well-known figure2.excellent (person, company etc)
1.visitor2.(psychological counseling) client
1.demonstrator2.protester
1.(lit.) the first person to make funerary figurines (idiom)2.(fig.) the originator of an evil practice
1.designer2.architect (of a project)
self-employed professional; independent practitioner
1.co-worker2.collaborator3.also collaborator with the enemy
1.to refuse nobody (idiom)2.all comers welcome
1.investigator2.researcher
1.ruler2.those in power3.the authorities
1.smuggled illegal alien2.stowaway
1.executive2.manager3.transactor
1.creator (of a great work)2.founder
1.tourist2.traveler3.visitor
1.proponent2.advocate3.pioneer
有志者事竟成 a really determined person will find a solution (idiom); where there's a will, there's a way
1.subject (in an experiment)2.participant (in a clinical trial etc)
1.producer2.maker3.creator
1.victim of an accident2.casualty3.martyr for one's country
an outsider can see things more clearly or objectively than those involved (idiom)
people in the (aforementioned) industry; practitioner; industry professional