From the given options select the one which can rightly substitute the given expression:

One who is indifferent to joy or pain

Stoic

The word that correctly substitutes the expression "one who is indifferent to joy or pain" is Stoic.

• Stoic means "showing or feeling no emotion."
• Innocent means "not guilty of any crime or offense."
• Tolerant means "willing to accept or respect the opinions or beliefs of others, even if they are different from your own."
• Intelligent means "having a high degree of intelligence."