You would simply transliterate the name: Derek - דרק.
Derek has no meaning in Hebrew. It is an Old German name.
Derek God's son = דרק, בן אלוקים (derek, ben Elohim)
His name is derek because his great great grandpa name was derek.
His name is derek because his great great grandpa name was derek.
His name is derek because his great great grandpa name was derek.
Derek Lake's birth name is Derek Michael Lake.
There is no Hebrew name for Andrea.There is no Hebrew name for Andrea.
Derek Rucas's birth name is Derek Peter Rucas.
Derek Bennett's birth name is Derek James Bennett.
Derek Ramsay's birth name is Derek Arthur Ramsay.
Derek Plumbly's birth name is Derek John Plumbly.
Derek Newark's birth name is Derek John Newark.