der Typ
guy
Colloquial term for a man or boy, often with a slightly distant or neutral connotation.
Kennst du den Typen, der da drüben an der Bar steht?
Do you know the guy standing over there at the bar?

guy / type
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guy
Colloquial term for a man or boy, often with a slightly distant or neutral connotation.
Kennst du den Typen, der da drüben an der Bar steht?
Do you know the guy standing over there at the bar?

In colloquial speech, 'Typ' (guy) is very often used as a neutral or slightly distant word for a man or boy. It is very common in spoken language.
Da vorne steht ein komischer Typ und beobachtet uns.
There's a strange guy standing up ahead and watching us.
In the colloquial meaning, 'Typ' (guy) is used almost exclusively for male people. You would normally not use this word for a woman.
Der Typ am Nachbartisch telefoniert sehr laut.
The guy at the next table is talking very loudly on the phone.
To describe a person's character, 'Typ' (type) is often used in the fixed expression 'der [Adjektiv] Typ sein' (to be the [adjective] type). The adjective describes the personality.
Ich bin nicht so der Party-Typ, ich bleibe lieber zu Hause.
I'm not really the party type; I prefer to stay at home.
When 'Typ' (type) describes a kind or model, it usually refers to technical devices, vehicles, or products. It often appears with the name of the product or a more precise description.
Welcher Typ Drucker ist das denn?
What type of printer is that?
human / person
'der Mensch' and 'der Typ' can both talk about a person. 'Mensch' is more neutral and general. It can simply mean a person, or describe a person by their character, for example 'ein freundlicher Mensch' (a friendly person). 'Typ' is colloquial. It often means a man or boy, sometimes with a bit of distance. It can also mean a person with certain qualities, as in 'ein ruhiger Typ' (a quiet type). Learners may confuse the words when talking about character. In neutral or polite situations, 'Mensch' fits better; 'Typ' sounds more casual and not always respectful.

Der Typ aus der Nachbarschaft grüßt uns jeden Morgen.
The guy from the neighborhood greets us every morning.
Frau Wolf ist ein ruhiger Mensch, der gut zuhören kann.
Ms. Wolf is a calm person who is good at listening.