Friend
Part of speech: verb
Definition: to act as the friend of to add a person to a list of associates of one's social networking site
Part of speech: noun
Definition: A person other than a family member, spouse or lover whose company one enjoys and towards whom one feels affection. A boyfriend or girlfriend. An associate who provides assistance. A person with whom one is vaguely or indirectly acquainted A person who backs something. An object or idea that can be used for good. Used as a form of address when warning someone. In object-oriented programming, a function or class granted special access to the private and protected members of another class.
Companion
Part of speech: noun
Definition: A friend, acquaintance, or partner; someone with whom one spends time or keeps companyA person employed to accompany or travel with another.The framework on the quarterdeck of a sailing ship through which daylight entered the cabins below.The covering of a hatchway on an upper deck which leads to the companionway; the stairs themselves.A knot in whose neighborhood another, specified, knot meets every meridian disk.