How you say traker in Swahili language?

There isn't a direct translation for "tracker" in Swahili. Depending on the context, you could use several options:

For a person who tracks something:

* Mfatiliaji: This is the most common word for a tracker, meaning "one who follows."

* Mfuatiliaji: This is similar to "Mfatiliaji" and is used when specifically referring to someone who tracks someone or something.

For a device used for tracking:

* Kifaa cha kufuatilia: This literally translates to "device for tracking."

* Kifuatiliaji: This is a more concise option for a tracking device.

For tracking in general:

* Kufuatilia: This means "to track" or "to follow."

Example:

* "We need a tracker to find the lost animal."

* "Tunahitaji mfatiliaji kupata mnyama aliyepotea." (using "Mfatiliaji")

* "Tunahitaji kifaa cha kufuatilia kupata mnyama aliyepotea." (using "Kifaa cha kufuatilia")

The best word to use will depend on the specific context and what you are trying to convey.