Simplify the following text for a Grade 7 native English-speaking person.
Original: Roh Tae-woo ( born December 4 , 1932 in Daegu , South Korea ) , is the sixth President of South Korea ( 1988 â `` 1993 ) .
Simplified: Roh Tae-woo ( ; born December 4 , 1932 in Daegu , South Korea ) , is a former ROK Army general and politician . He was the 13th president of South Korea ( 1988 â `` 1993 ) .