Wata cuta ta harshe da ke haifar da gaba da wargaza al'ummar bil'adama ita ce gaba. Kiyayya a cikin lafazin tana nufin gaba da rikici, kuma a wajen malaman ladubba, yana nufin fada da wasu da nufin samun dukiya ko biyan hakki. Hujjar baki da mutum idan ya so ya dauki wani abu ko kuma ya yi da’awar wani abu da aka kwace daga gare shi bisa ga gaskiya ko kuskure, shi ake ce masa gaba; Don haka makasudin wannan fada na kudi ne ko na shari’a; Tabbas, a wasu lokuta ma ana amfani da ƙiyayya a cikin ma'anar rikici da wasu don tabbatar da ra'ayin mutum, wanda kuma ana iya kiransa nau'i na tabbatar da hakki.
Kamar yadda ake iya gani, ba za a iya ƙidaya kowace irin ƙiyayya a matsayin munanan halaye ba. Don haka malaman xa'a suka raba gaba biyu, abin yabo da abin zargi. Hankali da Sharia sun yaba da wasu nau'ikan gaba da kuma la'antar sauran nau'ikan gaba. Kiyayya tana karbuwa ne kawai idan mutum ya tabbatar da haqqinsa ko kuma yana da hujjar Shariah, a daya bangaren kuma bai samu wata hanya ta biyan hakkinsa ba. Hankalin dan Adam yana daukar karbar zalunci a matsayin mummuna da kyama; Don haka sai ya yaba da tunkude zalunci, idan kuma bai samu wata hanya ta kwato hakkinsa ba face gaba, sai ya yabe shi, ya kuma yi umarni da shi, kuma ba shakka, duk abin da hankali ya yarda da shi, to Shari’a ta inganta shi . Ana yin Allah wadai da ƙiyayya, amma lokacin da mai yin ƙiyayya ya san bai dace ba ko kuma ya yi shakkar haƙƙinsa. Manzon Allah (SAW) ya ce: “Mafi kiyayyar mutane a wurin Allah shi ne mai taurin kai da gaba. Kuma sun yi Allah wadai da qiyayya: Duk wanda ya taurin kai a cikin savani ba tare da ilmi ba, to yana cikin fushin Allah matuqar yana cikin wannan hali.
Ana iya ganin wasu daga cikin tushen kiyayyar da aka la'anci a matsayin gaba da bacin rai, hassada da son dukiya ko matsayi. Daya daga cikin hanyoyin da za a bi wajen magance wannan cuta ita ce amfani da maganinta, wato "Tyeb Kalam". Tayyab Kalam na nufin yin magana mai kyau da ladabi. Mutum ya wajabta wa kansa kyawawan kalmomi; Wato yayin zance da wasu, a yi ƙoƙarin yin ladabi da amfani da kalmomi masu kyau da daɗi. Kamar yadda gaba da girman kai da jayayya ke haifar da gaba, kishiyarsu, wato magana mai kyau, ke haifar da abota kuma mai albarka. Idan masu sauraro suka ga mutum a hankali a cikin jawabinsa, sai ya shaku da shi. Yanzu, idan wannan siffa ta kasance a cikin al'umma, zai haifar da hadin kai; Ba kamar kiyayya ba, wanda ke da rigima.