There is a political party in Volantis called “tigers””. The tigers are old aristocracy and warriors. They tend to be imperialists and advocate the sword.  The Volantene guards tiger cloaks, are named after the militant tiger party. They have green stripes tattooed on their cheeks and wear tiger masks. 
A Game of Thrones
A Clash of Kings
Daenerys sees The Quarteen wearing tiger skins. 
A Storm of Swords
A Feast for Crows
A Dance with Dragons
References and Notes
- A Game of Thrones, Chapter 23, Daenerys III.
- The World of Ice & Fire, Leng.
- The World of Ice & Fire, Beyond the Bones: Yi Ti.
- A Dance with Dragons, Chapter 22, Tyrion VI.
- A Game of Thrones, Chapter 50, Arya IV.
- A Clash of Kings, Chapter 27, Daenerys II.
- A Storm of Swords, Chapter 27, Daenerys III.
- A Feast for Crows, Chapter 29, The Reaver.
- A Dance with Dragons, Chapter 52, Daenerys IX.