The word barricader denotes someone who builds or puts up barricades, particularly for defensive purposes during a protest or conflict. Some possible synonyms for this word include: blockade setter, barrier builder, fortifier, obstructer, barricade constructor, impeder, defender, and protector. Each of these terms can help to convey the role and actions of someone who is actively engaged in creating physical barriers to protect a group or cause. Whether through passive resistance or active defense, those who take on this role are often serving a vital function in maintaining order and promoting safety in the face of opposition.