A "refer a friend" complete illustration with a megaphone, a user icon and a plus icon.

Refer A Friend Illustration

A half body front-facing person or profile avatar icon. 

Half Body Person Photo

An account or add friend icon with a user and a plus sign.

A "watch or follow" illustration of a front-facing opened book with an "add friend" icon and a play button.

A square tilted account picture or avatar with a half body person. 

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.