"subscriber" - key terms from Wikipedia

asymmetric digital subscriber	line
digital subscriber	line
digital subscriber	line access multiplexer
each subscriber
entry in the home subscriber
home subscriber	register
international mobile subscriber	identity
mobile subscriber
prepaid subscriber
steam subscriber	agreement
subscriber
subscriber	base
subscriber	identity
subscriber	identity module
subscriber	number
subscriber	numbers
subscriber	stations
subscriber	trunk dialling
subscriber	units
total subscriber	base
type of subscriber	entry