attendant
noun
someone who waits on or tends to or attends to the needs of another
a person who is present and participates in a meeting
“he was a regular attender at department meetings”
“the gathering satisfied both organizers and attendees”
an event or situation that happens at the same time as or in connection with another
adjective
being present (at a meeting or event, etc.)
“attendant members of the congregation”
occurring with or following as a consequence
“an excessive growth of bureaucracy, with attendant problems”
“snags incidental to the changeover in management”
Source: WordNet 3.1, Princeton University
