Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 6 months ago

Saving your life and/ or life of others is obligatory. If the only way to save life is taking false oath, then it might be permissible if there are no other Islamic reason against it.

Saving honour has many degrees which must be considered before replying this part of your question. We need to understand the real situation first, then reply can be researched according to Islamic rules.