Maror is one of the symbolic foods that is placed on the Passover seder plate. It is usually made from bitter herbs, such as horseradish, and represents the bitterness of slavery in Egypt. During the seder, participants are instructed to eat maror as a reminder of the suffering that the Israelites endured during their enslavement.
The use of bitter herbs as a symbol of suffering dates back to biblical times. In the book of Exodus, God instructs Moses to tell the Israelites to take a bunch of hyssop, dip it in the blood of the Paschal lamb, and smear it on the doorposts of their homes. This act would protect them from the final plague, in which the firstborn of every Egyptian household was killed. The Israelites were then instructed to roast and eat the lamb with unleavened bread and bitter herbs.
The tradition of eating maror during the Passover seder is a way of connecting with the suffering of the Israelites and acknowledging the hardships that they endured. It is also a reminder of the importance of freedom and the need to work towards a world in which all people are free from oppression.