Is it ever OK to truncate a username? Is there any good solution / trade-off?

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Site shows username as:
Username: Shrinivasuk View: Shrinivasu...

![enter image description here](https://i.stack.imgur.com/4q9mU.png)

Username: Ritesh View: Rite
Username: Poonam View: Poona
Username: Deepak View: Deepa
Username: sourab View: sour

![enter image description here](https://i.stack.imgur.com/xTLqP.png)