former colleague

• ex-coworkerPast professional peer
• peerOne of similar standing
• associateConnect mentally or socially
• collaboratorOne who works jointly
• officeProfessional work location

cubicle · watercooler · farewell · departure · resignation · alumni · networking · LinkedIn · reference · reunion · memories · career · workplace · goodbye · downsized · retired · promoted · transferred

• acquaintancesacquaintance, casual friend, familiar face, nodding acquaintance, associate