he; boyfriend

circle, ring, wheel

ring / (algebra) ring

circum-

a ring or circle shape (such as a ring for a finger, or Saturn's rings) / a hoop (such as for a barrel) / a wheel (as of a vehicle)

an ancient bracelet strung with jewels or bells and worn at the elbow / a longer tube-shaped gauntlet to protect the hand during archery

(obsolete) an ancient jewel or other stone in the shape of a ring

a finger

point / finger / to point at / to indicate / to refer to

(colloquial) to make love