What does the term 'stone of help' signify in Christian theology?

The term 'stone of help' signifies Christ as the foundational support for believers. Just as the stone set by Samuel functioned as a memorial for God's help to Israel, Christ serves as our 'rock' who provides both physical and spiritual sustenance. He is the one who keeps us safe, as described in Psalm 121, where God's perpetual vigilance over His people is affirmed. This support is crucial because it reassures believers of God's unwavering assistance and faithfulness in times of need, reinforcing the idea that salvation and help come solely from Him.