Some of the Palestinian squad members have lost loved ones or have relatives trapped in Gaza.
Palestine squeeze into the last 16 as one of the four best third-placed teams.
The Palestinian squad at the Asian Cup in Qatar hope to bring honour to their compatriots in the war-ravaged Gaza Strip with their first victory at the tournament since the team's debut in 2015.
The players have "a constant feeling of anxiety for their families", Daboub, a former Tunisia coach and player, said by telephone.
