How you say these things in German(4)?
He is my favorite singer/ writer/ teacher/ friend/ director/ actor
He is addicted to music, he loves hardcore songs.
He is good at writing, dancing and programming. (pc)
He is my best friend.

Question

How you say these things in German(4)?
He is my favorite singer/ writer/ teacher/ friend/ director/ actor
He is addicted to music, he loves hardcore songs. 
He is good at writing, dancing and programming. (pc)
He is my best friend.

Answer

Er ist mein Lieblingssänger,-schriftsteller,-lehrer, -freund, -regisseur, - schauspieler.
Er ist süchtig nach Musik. Er liebt "hardcore songs" (Heay Metal, Death Metal, Speed Metal). 
Er schreibt, tanzt und programmiert gut.
Er ist mein bester Freund.

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