The exact word to describe a person who hates being alone will vary depending on the reason they don't like, or hate, to be alone. Some examples are provided below.
It might indicate they are insecure, dependent, or have not yet obtained or established a sense of self or identity of their own so they seek out others to follow, depend upon, or to create their world for them and being alone makes them feel lost. There are different words for this kind of person such as "Shrinking Violet", "Introvert", and "Dependent".
Or various types of phobias might be at play, and then the word for a person with their particular fear could be used. Some of those phobias that involve fear of being alone are: Autophobia, Monophobia, and Isolophobia. The words, then, for those people who hate to be alone because of an irrational fear include: "Autophobic", "Monophobic", and "Isolophobic".
Another type of person who hates to be alone might be the "social butterfly" or "extrovert". These are people who thrive on being the center of attention and want an audience, or an adoring person with them and they are unhappy when there is no one else around. Other names for these types of people are: "Socializer", "Befriender", "Serial Flirt", "Live One", "Assertive Woman/Man", "Live Wire", "Outgoing Person", and "Gregarious Person".
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I don't think there IS a word for it.
The word for someone who hates the poor is "misogynist."
The word lonely is an adjective. It describes someone who is unhappy at being alone.
A Luddite - someone who hates technology A Technophobe - someone who is afraid of technology
The word for someone who hates religions is "anti-theist."
the word your looking for is misogynist
Lazy
Emo LOL.
Anglophobe.
Satan
aspi
A recalcitrant
Ailurophobia is the fear of cats.