A dissatisfied or unhappy employee

नाखुश कर्मचारी

English Usage: The disgruntled employee decided to quit after receiving limited support from the management.

Hindi Usage: नाखुश कर्मचारी ने प्रबंधन से सीमित समर्थन मिलने के बाद छोड़ने का फैसला किया।

Customers who are dissatisfied with a product or service

नाखुश ग्राहक

English Usage: The restaurant received several complaints from disgruntled customers about the poor service.

Hindi Usage: रेस्तरां को नाखुश ग्राहकों से खराब सेवा के बारे में कई शिकायतें मिलीं।