The term 'most tutelar' implies something or someone that is highly protective or guardian-like. Synonyms for this phrase include 'defender', 'protector', 'guardian', 'champion', 'shield', 'custodian', 'warden', 'patron', 'watcher', 'caretaker', and 'guard'. These words suggest a sense of strength, security, and vigilance in protecting something with care and attention. Most tutelar can also be referred to as a 'guardian angel', 'safekeeper', 'safeguard', or 'sentinel'. The use of these synonyms can provide a greater understanding of the connotations and nuances of the original term and offer alternatives for expression.