Simplify the following text for a Grade 4 native English-speaking person.
Original: David CerrajerÃ a Rubio , aka Cerra ( born June 4 , 1983 in Valencia ) , is a Spanish footballer who plays for Levante UD , as a defender .
Simplified: David CerrajerÃ a ( born 4 June 1983 ) is a Spanish football player . He plays for Levante .