About Sesotho Language
According to Wikipedia.org, Sotho is a Southern Bantu language and is spoken in the Sotho-Tswana group. The language is spoken by the Basotho in Lesotho. It is the official and national language; South Africa is where. Sesotho is also one of the 11 official languages and is widely spoken in Zimbabwe. It is one of the 16 official languages in South Africa. It is similar to the Bantu languages and is a popular agglutinative language. The language uses numerous affixes and builds complete words. Sotho is a Southern Bantu language, and it belongs to the Niger-Congo language family. It is spoken within the Sotho-Tswana branch of Zone S (S.30). "Sotho" is spoken by the entire Sotho-Tswana group, and is called "Southern Sotho". Within the Sotho-Tswana group, it is closely related to Lozi (Silozi). It is very much similar to the Southern Bantu languages like Venda, Tsonga, Tonga, Lozi, and another native language of Zambia.
About Igbo Language
According to Wikipedia.org, Igbo is a prominent language among the Igbo natives. These natives belong to the ethnic group that resides in Eastern Nigeria. This language is termed 'Igbo izugbe' and was officially adopted in 1972. The foundation of this language is based on various dialects. It includes Owerri (Isuama), Anambra (Awka) and Umuahia (Ohuhu). Many other languages are related to the Igbo language. The list includes Ika, Ukwuani, and Ogba. All these are also considered as the dialects of Igbo. There are around 42 million native speakers of Igbo. You will be surprised to see that the writing system is quite innovative. Most of it is written in Latin alphabets. It is the official language of Nigeria but is spoken by other people in the world too.
