Simplify the following text for a Grade 8 native English-speaking person.
Original: Lomana TrÃ sor LuaLua ( ; born 28 December 1980 ) is a Congolese footballer who plays for Cypriot side Omonia and the Congo DR national football team .
Simplified: Lomana LuaLua ( born 28 December 1980 ) is a Democratic Republic of the Congo football player . He plays for Olympiacos and Congo DR national team .