Simplify the following text for a Grade 7 native English-speaking person.
Original: Johan Danon Djourou-Gbadjere ( born 18 January 1987 in Abidjan , Ivory Coast ) , more commonly known as Johan Djourou , is an Ivorian-born Swiss international footballer who plays for Arsenal .
Simplified: Johan Djourou ( born 18 January 1987 ) is a Swiss football player . He plays for Arsenal and Switzerland national team .