السلام عليكم ورحمة الله وبركاته، أحسن الله إليكم Is a sister obliged to obey her parents if they ask her to greet non-mahram guests, despite her discomfort?

Ustadh AbdulAziz al-Haqqan
Saying assalamu alaykum for example with full hishmah and respect is allowed.