The answer to the crossword for the term 'Soldier of Love Singer, 2009' is SADE, a four-letter word. Sade is a Nigerian-born British singer, songwriter, and composer who rose to fame in the 1980s with her band, Sade. In 2009, she released her sixth studio album, Soldier of Love, which was her first album in 10 years. The album was a commercial success, reaching number one in the UK and US charts. It also earned her two Grammy Awards.