1) Not in a certain place at a given time; away, missing (opposed to present).
Fr.: absent, absentéiste
A person who is absent, especially from work or school (Dictionary.com).
From → absent + -ee a suffix forming nouns that denote a person who is the object or beneficiary of the act specified by the verb, from Fr. -é, ending of p.p.s used as nouns.
Voluntary non attendance at work, without valid reason. Absenteeism means either habitual evasion of work, or willful absence as in a strike action. It does not include involuntary or occasional absence due to valid causes, or reasons beyond one's control, such as accidents or sickness (BusinessDictionary.com).