APITeamMember

membership_state: TeamMemberMembershipState;

The user's membership state on the team See https://discord.com/developers/docs/topics/teams#data-models-membership-state-enum

team_id: Snowflake;

The id of the parent team of which they are a member

user: APIUser;

The avatar, discriminator, id, and username of the user See https://discord.com/developers/docs/resources/user#user-object

role: TeamMemberRole;

The user's role in the team. See https://discord.com/developers/docs/topics/teams#team-member-roles