He’s,like, really friendly – someone you can talk to. The underlined part is -

• He’s, like, really friendly – someone you can talk to. The underlined part is - Adverb.

• Like: [Adverb]
English meaning: used in conversation to emphasize what follows, or when you cannot express your exact meaning.
Bangla meaning: কথোপকথনে কোন কিছুর উপর জোর দিতে ব্যবহার করা হয়, বা যখন কোন কিছুর সঠিক অর্থ প্রকাশ করা যায় না।

Example:
- He’s, like, really friendly – someone you can talk to.
- It was, like, getting pretty late but I didn’t want to go home yet.

Source: Cambridge Dictionary.