"But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of Him who hath called you out of darkness into His marvellous light" 1 Peter 2:9

Salvation - chosen generation (called)
Service - royal priesthood (shew forth)
Sanctification - holy nation (into His marvellous light)
Separation - peculiar people (out of darkness)