join in a group or effort, participate, take part in / increase / be added to

welcome / acclaim, praise

member, a person who is in a group / participant, attendee at an event / (programming) member in object-oriented programming / (Internet slang) suspect in a crime

to welcome / to acclaim, to praise

(archaic) new, novel / (archaic) latest, recent / (archaic) modern / (archaic) fresh

(obsolete) Alternative spelling of 新たし (aratashi): new, novel

(obsolete) Same as あたらし (atarashi) above

team

new, novel / latest, recent / modern / fresh

a sports team which not run by the company, but by the organization of like-minded people in the local community