ਸੈਨਾ ਸਾਧ ਸਮੂਹ ਸੂਰ ਅਜਿਤੰ ਸੰਨਾਹੰ ਤਨਿ ਨਿੰਮ੍ਰਤਾਹ ॥
Sainā sāḏẖ samūh sūr ajiṯaʼn saʼnnāhaʼn ṯan nimarṯāh.
The Holy people are an invincible army of spiritual warriors; their bodies are protected by the armor of humility.
ਆਵਧਹ ਗੁਣ ਗੋਬਿੰਦ ਰਮਣੰ ਓਟ ਗੁਰ ਸਬਦ ਕਰ ਚਰਮਣਹ ॥
Āvḏẖah guṇ gobinḏ ramṇaʼn ot gur sabaḏ kar cẖaramṇėh.
Their weapons are the Glorious Praises of the Lord which they chant; their Shelter and Shield is the Word of the Guru's Shabad.
ਆਰੂੜਤੇ ਅਸ੍ਵ ਰਥ ਨਾਗਹ ਬੁਝੰਤੇ ਪ੍ਰਭ ਮਾਰਗਹ ॥
Ārūṛ▫ṯe asav rath nāgah bujẖanṯe parabẖ mārgah.
The horses, chariots and elephants they ride are their way to realize God's Path.
ਬਿਚਰਤੇ ਨਿਰਭਯੰ ਸਤ੍ਰੁ ਸੈਨਾ ਧਾਯੰਤੇ ਗੋੁਪਾਲ ਕੀਰਤਨਹ ॥
Bicẖarṯe nirabẖ▫yaʼn saṯar sainā ḏẖā▫yanṯe gopāl kīraṯnėh.
They walk fearlessly through the armies of their enemies; they attack them with the Kirtan of God's Praises.
ਜਿਤਤੇ ਬਿਸ੍ਵ ਸੰਸਾਰਹ ਨਾਨਕ ਵਸ੍ਯ੍ਯੰ ਕਰੋਤਿ ਪੰਚ ਤਸਕਰਹ ॥੨੯॥
Jiṯṯe bisav sansārah Nānak vas▫yaʼn karoṯ pancẖ ṯaskarahi. ||29||
They conquer the entire world, O Nanak, and overpower the five thieves. ||29||
A cursory search of SriGranth shows up just three references to 'shield'. This one seems most relevant. It's from panna 1356. Which is a fascinating panna, btw!
This shabad gives another appreciation of the khanda \ Nishan Sahib.
